139.181.26.0/24 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS33651 Comcast Cable Communications, LLC | no ROA | 30 | 7018792233651 | 2026-09-18 | 2026-09-24 |
| AS33667 Comcast Cable Communications, LLC | no ROA | 13 | 37721335633667 | 2026-09-18 | 2026-09-24 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 139.181.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1990-03-26
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-24 10:12:14Z | origin change | AS33667 → AS33651 | 852792233651 |
| 2026-09-23 18:39:22Z | origin change | AS33651 → AS33667 | 14907335633667 |
| 2026-09-23 16:27:32Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-23 10:56:08Z | origin change | AS33651 → AS33667 | 37721335633667 |
| 2026-09-22 06:20:28Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-22 06:19:49Z | origin change | AS33651 → AS33667 | 37721335633667 |
| 2026-09-19 18:41:28Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-19 17:02:04Z | origin change | AS33651 → AS33667 | 44393357104809335633667 |
| 2026-09-18 20:58:52Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-18 20:21:39Z | origin change | AS33651 → AS33667 | 496733216335633667 |
| 2026-09-18 15:18:00Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-18 14:42:51Z | origin change | AS33651 → AS33667 | 4967312389335633667 |
| 2026-09-18 14:02:38Z | origin change | AS33667 → AS33651 | 328840327727174792233651 |
| 2026-09-18 10:19:39Z | origin change | AS33651 → AS33667 | 4967312389335633667 |
| 2026-09-18 05:36:26Z | origin change | AS33667 → AS33651 | 226521299792233651 |
| 2026-09-18 04:09:28Z | origin change | AS33667 → AS33651 | 226521299792233651 |